Hydrogen code stubs for vector-based ICs.

src/ic/access-compiler.h

Index: src/ic/access-compiler.h
diff --git a/src/ic/access-compiler.h b/src/ic/access-compiler.h
index dd1baade349d7ca5d512de8dee88721620852d36..fe4369a1ad160e43fb9395d4941f36e21c92dc94 100644
--- a/src/ic/access-compiler.h
+++ b/src/ic/access-compiler.h
@@ -54,6 +54,14 @@ class PropertyAccessCompiler BASE_EMBEDDED {
 
   Register receiver() const { return registers_[0]; }
   Register name() const { return registers_[1]; }
+  Register slot() const {
+    DCHECK(FLAG_vector_ics);
+    return VectorLoadICDescriptor::SlotRegister();
+  }
+  Register vector() const {
+    DCHECK(FLAG_vector_ics);
+    return VectorLoadICDescriptor::VectorRegister();
+  }
   Register scratch1() const { return registers_[2]; }
   Register scratch2() const { return registers_[3]; }
   Register scratch3() const { return registers_[4]; }